methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-2-bromo-2,5-dideoxy-β-D-erythro-L-gluco-2-nonulopyranosonate

methyl (p-nitrophenyl 5-acetamido-4,7,8,9-tetra-O-acetyl-5-deoxy-α-D-erythro-L-gluco-2-nonulopyranosid)onate

methyl (p-nitrophenyl 5-acetamido-4,7,8,9-tetra-O-acetyl-5-deoxy-3-O-(phenoxythiocarbonyl)-α-D-erythro-L-gluco-2-nonulopyranosid)onate

N-乙酰基-2-氯-2-脱氧神经氨酸甲酯4,7,8,9-四乙酸酯